Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 6532948762

Certificate GIA 6532948762

Diamond specifications and retailer prices

From $3,395 USD
As of November 5, 2026
Save $5,126 USD (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,521 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532948762. Listed at 13 retailers as of November 5, 2026, with prices from $3,395 to $8,521, a $5,126 spread on the same certified stone. NZ Jewellers lists it at $8,521. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.6°
OriginNatural
Grading LabGIA
CertificateGIA 6532948762
Dimensions9.15 × 6.50 × 3.90 mm
L/W Ratio1.41
Top View
9.15 mm6.50 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532948762
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 39.6°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,521 USD|Low: $3,376 USD|High: $8,521 USD|Avg: $5,366 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$3,395 USD
Retailer 3$3,981 USD
Retailer 7$4,616 USD
Retailer 8$4,616 USD
Retailer 11$4,616 USD
Retailer 9$4,861 USD
Retailer 4$5,017 USD
Retailer 10$5,326 USD
Retailer 2$5,424 USD
Retailer 6$8,093 USD
NZ Jewellers$8,521 USD

42 data points across 11 retailers

13 retailers$3,395 USD to $8,521 USD

A
Cheapest Retailer
-
$3,395 USD
B+
Retailer 2
-
$3,981 USD
View
B+
Retailer 3
-
$4,025 USD
View
B+
Retailer 4
-
$4,296 USD
View
B+
Retailer 5
-
$4,616 USD
View
Retailer 6
-
$4,616 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,616 USD
View
B+
Retailer 8
-
$4,861 USD
View
B+
Retailer 9
-
$5,017 USD
View
B
Retailer 10
-
$5,326 USD
View
B
Retailer 11
-
$5,424 USD
View
B
Retailer 12
-
$8,093 USD
View
Most Expensive
B
NZ Jewellers
8fa0dd12-90e9-43ef-9559-2aea23fe6d66 · Nov 5
$8,521 USD
View
12 more retailers have this diamond
Prices start from $3,395 USDSave up to $5,126 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Oval
$3,395 USD